1 files changed, 8 insertions, 1 deletions

diff --git a/kernel/padata.c b/kernel/padata.c
index 5085046d83fb..5b44d0fa358e 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -25,6 +25,7 @@
 #include <linux/padata.h>
 #include <linux/mutex.h>
 #include <linux/sched.h>
+#include <linux/slab.h>
 #include <linux/rcupdate.h>
 
 #define MAX_SEQ_NR INT_MAX - NR_CPUS
@@ -642,6 +643,9 @@ struct padata_instance *padata_alloc(const struct cpumask *cpumask,
         if (!pd)
                 goto err_free_inst;
 
+        if (!alloc_cpumask_var(&pinst->cpumask, GFP_KERNEL))
+                goto err_free_pd;
+
         rcu_assign_pointer(pinst->pd, pd);
 
         pinst->wq = wq;
@@ -654,12 +658,14 @@ struct padata_instance *padata_alloc(const struct cpumask *cpumask,
         pinst->cpu_notifier.priority = 0;
         err = register_hotcpu_notifier(&pinst->cpu_notifier);
         if (err)
-                goto err_free_pd;
+                goto err_free_cpumask;
 
         mutex_init(&pinst->lock);
 
         return pinst;
 
+err_free_cpumask:
+        free_cpumask_var(pinst->cpumask);
 err_free_pd:
         padata_free_pd(pd);
 err_free_inst:
@@ -685,6 +691,7 @@ void padata_free(struct padata_instance *pinst)
 
         unregister_hotcpu_notifier(&pinst->cpu_notifier);
         padata_free_pd(pinst->pd);
+        free_cpumask_var(pinst->cpumask);
         kfree(pinst);
 }
 EXPORT_SYMBOL(padata_free);